Normal Elements and the Cytologic Features of Reactive Changes in Soft Tissue

摘要

Adipocytic Tissue: Fine-needle aspiration smears of fat tissue show clusters of fat cells with an abundant univacuolated cytoplasm or empty space after the cytoplasm and peripherally situated small nuclei. Slender capillaries are frequent findings in the clusters. Smears from reactive fat tissue may show a myxoid background, multinucleated histiocytic cells, increasing numbers of fibroblasts and endothelial cells, and occasionally adipocytes with a multivacuolated cytoplasm resembling lipoblasts (Fig. 1).